J'ai essayé d'installer gcc-8 et g++-8. L'erreur suivante se produit
$ sudo apt-get install gcc-8 g++-8 -y
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
g++-8 : Depends: gcc-8-base (= 8-20180414-1ubuntu2) but 8.4.0-1ubuntu1~18.04 is to be installed
Depends: libstdc++-8-dev (= 8-20180414-1ubuntu2) but it is not going to be installed
gcc-8 : Depends: cpp-8 (= 8-20180414-1ubuntu2) but it is not going to be installed
Depends: gcc-8-base (= 8-20180414-1ubuntu2) but 8.4.0-1ubuntu1~18.04 is to be installed
Depends: libgcc-8-dev (= 8-20180414-1ubuntu2) but it is not going to be installed
Recommends: libc6-dev (>= 2.13-0ubuntu6) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.J'ai essayé les méthodes ci-dessous mais j'ai obtenu la même erreur - Installer gcc sur ubuntu18
sudo add-apt-repository ppa:ubuntu-toolchain-r/test
sudo apt-get update
sudo apt-get install gcc-8 g++-8
gcc-8 --versionJ'ai également essayé d'installer construire-essentiel Mais l'erreur est la même. Toute suggestion ou aide sera grandement appréciée. Merci d'avance
gcc-8 paquets cassés bionic arm64
Avec Aptitude qui ne s'installe pas non plus
sudo aptitude install gcc-8
The following NEW packages will be installed:
cpp-8{ab} gcc-8{b} libasan5{ab} libatomic1{ab} libc-dev-bin{a}
libc6-dev{ab} libgcc-8-dev{ab} libitm1{ab} liblsan0{ab} libmpx2{ab}
libquadmath0{ab} libtsan0{ab} libubsan1{ab} linux-libc-dev{a}
manpages-dev{a}
0 packages upgraded, 15 newly installed, 0 to remove and 0 not upgraded.
Need to get 24.4 MB of archives. After unpacking 99.9 MB will be used.
The following packages have unmet dependencies:
libmpx2 : Depends: gcc-8-base (= 8-20180414-1ubuntu2) but 8.4.0-1ubuntu1~18.04 is installed
libc6-dev : Depends: libc6 (= 2.27-3ubuntu1) but 2.27-3ubuntu1.2 is installed
cpp-8 : Depends: gcc-8-base (= 8-20180414-1ubuntu2) but 8.4.0-1ubuntu1~18.04 is installed
libitm1 : Depends: gcc-8-base (= 8-20180414-1ubuntu2) but 8.4.0-1ubuntu1~18.04 is installed
libasan5 : Depends: gcc-8-base (= 8-20180414-1ubuntu2) but 8.4.0-1ubuntu1~18.04 is installed
libquadmath0 : Depends: gcc-8-base (= 8-20180414-1ubuntu2) but 8.4.0-1ubuntu1~18.04 is installed
libgcc-8-dev : Depends: gcc-8-base (= 8-20180414-1ubuntu2) but 8.4.0-1ubuntu1~18.04 is installed
libtsan0 : Depends: gcc-8-base (= 8-20180414-1ubuntu2) but 8.4.0-1ubuntu1~18.04 is installed
libubsan1 : Depends: gcc-8-base (= 8-20180414-1ubuntu2) but 8.4.0-1ubuntu1~18.04 is installed
gcc-8 : Depends: gcc-8-base (= 8-20180414-1ubuntu2) but 8.4.0-1ubuntu1~18.04 is installed
liblsan0 : Depends: gcc-8-base (= 8-20180414-1ubuntu2) but 8.4.0-1ubuntu1~18.04 is installed
libatomic1 : Depends: gcc-8-base (= 8-20180414-1ubuntu2) but 8.4.0-1ubuntu1~18.04 is installed
The following actions will resolve these dependencies:
Keep the following packages at their current version:
1) cpp-8 [Not Installed]
2) gcc-8 [Not Installed]
3) libasan5 [Not Installed]
4) libatomic1 [Not Installed]
5) libc6-dev [Not Installed]
6) libgcc-8-dev [Not Installed]
7) libitm1 [Not Installed]
8) liblsan0 [Not Installed]
9) libmpx2 [Not Installed]
10) libquadmath0 [Not Installed]
11) libtsan0 [Not Installed]
12) libubsan1 [Not Installed]
Accept this solution? [Y/n/q/?] y
No packages will be installed, upgraded, or removed.
0 packages upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B of archives. After unpacking 0 B will be used.
